Home / 65,569,521.82-90,493,874.70-37,318,763.50

Finding the Fourth Proportional to 65,569,521.82, 90,493,874.70 and 37,318,763.50

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Solution

The fourth proportional to 65,569,521.82, 90,493,874.70 and 37,318,763.50 is: 51,504,409.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,569,521.82 : 90,493,874.70 = 37,318,763.50 : x
  2. Step 2: Convert to fraction form
    65,569,521.82/90,493,874.70 = 37,318,763.50/x
  3. Step 3: Cross multiply
    65,569,521.82x = 90,493,874.70 × 37,318,763.50
  4. Step 4: Simplify right side
    65,569,521.82x = 3,377,119,508,127,933.50
  5. Step 5: Solve for x
    x = 3,377,119,508,127,933.50/65,569,521.82
  6. Step 6: Final answer
    x = 51,504,409.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.